dev.gajda.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 04:11:5f:8f:4d:d1:90:ff:d3:57:46:20:80:30:f6:eb:ea:27 was issued on by Let's Encrypt.

This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=dev.gajda.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:11:5f:8f:4d:d1:90:ff:d3:57:46:20:80:30:f6:eb:ea:27
Serial Number (int): 354360964701096378515837100289134942743079
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 83:9f:5c:d1:91:89:25:e3:ac:7d:10:ed:c7:c1:be:86:91:32:96:89
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 89:34:83:50:95:82:05:64:60:89:82:03:7e:eb:1e:4f:3c:a9:a9:da
Fingerprint (sha256): 62:c9:42:2f:96:2a:cd:ce:c9:ba:82:e8:29:a8:3b:d9:de:c2:1f:ec:69:fb:52:ae:f1:36:35:49:f5:1d:59:2d

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate dev.gajda.co.uk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for dev.gajda.co.uk

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

dev.gajda.co.uk

Other certificates including the domain name gajda.co.uk

(limited to 100 certificates)
www.gajda.co.uk
www.gajda.co.uk
www.gajda.co.uk
linux.gajda.co.uk
www.gajda.co.uk
dev.gajda.co.uk
linux.gajda.co.uk
www.gajda.co.uk
www.gajda.co.uk

Certificate

The complete raw certificate details for dev.gajda.co.uk in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3BznP0iQEnEGBnF4YVhW
8MU2RBcglTMJxPZhPI653VW5KJPfVAmUviRRByGFdzjHxne02m/v7F91sTor+tMV
fvHovisTr1vGm+Ki7kxYIpllGs553KEUmn5R2Zga683h+hg66mApibrba1S4rErN
ZP+6RA7JhNHXSJOVUXEc9mQbZOiJUWl08KScU/jmh6CyiybqO9DcXmq4EbpIlTP4
UcOPBaj5DvwexG4oWIRoEBfWNiCFLeWMI2hQ5ty+69QMnOtLogiM3A06OkDGrbVS
6iTmpHjvfSlhwedN1rLCYXvTa2+aZduxj6JEO2rbX5zd4AWz0Do+UnTJdYg20TBA
TwIDAQAB
-----END PUBLIC KEY-----

ASN.1 decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 354360964701096378515837100289134942743079
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-07 06:20:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-06 06:20:42 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'dev.gajda.co.uk'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 27786679845594959408438830818006507299026839661055982511824625004330866511579852347580433137155584119890690502679083248200840357008196116495621916312836871495174067351661621842037881159780872763587559609544080270254156587531182613134785399134575721037500681692839183611386092740892777428302254078435148779836853172246593037788720302872858109952652134351888794382131342418751111229282792599448524863728605377601654502482416199511473619657108797358267392015762789161066952154038560567539989517094304737249456276899298508659941024577608572261450628135261023725204817603111445346552483395396897884651357112723647480479823
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							839f5cd1918925e3ac7d10edc7c1be8691329689
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (73 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.o.lencr.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dev.gajda.co.uk'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a6e83c357000004030047304502201d539fb0f6e951cc9d63727dfc0baac9a895f4c99c454380cb4b4f9303a6f2e302210084ec3a1502d39bcd9eaa507fbf0f31290919b1ad4fc1e76dac3e50e99915075a0077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a6e83c35e0000040300483046022100f6b74cdd848ac6ac0a692fc0747e85a8795b9a0b845f59de4ccc16ec022d2f35022100de738af1498e6f096ecee863636001f9f0b22524ef43bd9b8453c41cc509ce8e
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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